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Key to families | Table of families and genera

Previous taxon Indexes to all accepted names and synonyms:
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RUTACEAE RUE FAMILY

Lindsay P. Woodruff & James R. Shevock, except as noted

Perennial herb, shrub, tree, strongly aromatic, occasionally thorny. Leaf: generally alternate, simple or compound, dotted with minute, translucent glands; stipules 0. Inflorescence: cyme, raceme, or flowers 1, generally bracted. Flower: generally bisexual; sepals, petals each 4 or 5, free or fused at base; sepals generally persistent; petals generally ± white or ± green; stamens generally 2–4 × petal number; ovary superior, generally lobed, chambers 1–5, ovules 1–several per chamber. Fruit: berry, drupe, winged achene, or capsule. Seed: generally oily.
± 158 genera, ± 1900 species: especially tropics, warm temperate, especially southern Africa, Australia; used or cultivated for food (Citrus, 20–25 species), perfume, medicine, timber, ornamental (Choisya, Skimmia, etc). Some TOXIC: oils may cause sunburn or dermatitis. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Rutaceae

THAMNOSMA TURPENTINE-BROOM

Lindsay P. Woodruff

Subshrub or shrub. Leaf: simple or divided into 3 segments, alternate, minute, seasonally deciduous. Inflorescence: panicle (raceme-like or flowers scattered along stems). Flower: bisexual; sepals 4, fused at base, persistent; petals 4, erect in flower; stamens 8, in 2 series; ovary stalked or sessile, 2-lobed, style thread-like. Fruit: capsule, opening at tip, 2-lobed, leathery. Seed: 1–11 per chamber, ± smooth or tubercled.
12 species: southwestern United States, northern Mexico, southern Arabia to southern Africa. (Greek: bush odor)

Previous taxon: Ruta chalepensis
Next taxon: Thamnosma montana

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Nov 24 2014
Citation for this treatment: [Author of taxon treatment] 2013. Thamnosma, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9122, accessed on Nov 24 2014

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